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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * LevelRenderer.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2004-2014, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Peter Kolb (patch 2511330);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 09-Jan-2004 : Version 1 (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 05-Nov-2004 : Modified drawItem() signature (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 20-Apr-2005 : Renamed CategoryLabelGenerator<a name="line.39"></a>
<span class="sourceLineNo">040</span> *               --&gt; CategoryItemLabelGenerator (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 23-Jan-2006 : Renamed getMaxItemWidth() --&gt; getMaximumItemWidth() (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 13-May-2008 : Code clean-up (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 26-Jun-2008 : Added crosshair support (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 23-Jan-2009 : Set more appropriate default shape in legend (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 23-Jan-2009 : Added support for seriesVisible flags - see patch<a name="line.46"></a>
<span class="sourceLineNo">047</span> *               2511330 (PK)<a name="line.47"></a>
<span class="sourceLineNo">048</span> *<a name="line.48"></a>
<span class="sourceLineNo">049</span> */<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>package org.jfree.chart.renderer.category;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>import java.awt.Color;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import java.awt.Graphics2D;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import java.awt.Paint;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import java.awt.Stroke;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import java.awt.geom.Line2D;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import java.awt.geom.Rectangle2D;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import java.io.Serializable;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.jfree.chart.HashUtilities;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.jfree.chart.axis.CategoryAxis;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.jfree.chart.axis.ValueAxis;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.jfree.chart.entity.EntityCollection;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.jfree.chart.event.RendererChangeEvent;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.jfree.chart.labels.CategoryItemLabelGenerator;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.jfree.chart.plot.CategoryPlot;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.jfree.chart.plot.PlotOrientation;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.data.category.CategoryDataset;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.jfree.ui.RectangleEdge;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.jfree.util.PublicCloneable;<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>/**<a name="line.74"></a>
<span class="sourceLineNo">075</span> * A {@link CategoryItemRenderer} that draws individual data items as<a name="line.75"></a>
<span class="sourceLineNo">076</span> * horizontal lines, spaced in the same way as bars in a bar chart.  The<a name="line.76"></a>
<span class="sourceLineNo">077</span> * example shown here is generated by the<a name="line.77"></a>
<span class="sourceLineNo">078</span> * &lt;code&gt;OverlaidBarChartDemo2.java&lt;/code&gt; program included in the JFreeChart<a name="line.78"></a>
<span class="sourceLineNo">079</span> * Demo Collection:<a name="line.79"></a>
<span class="sourceLineNo">080</span> * &lt;br&gt;&lt;br&gt;<a name="line.80"></a>
<span class="sourceLineNo">081</span> * &lt;img src="../../../../../images/LevelRendererSample.png"<a name="line.81"></a>
<span class="sourceLineNo">082</span> * alt="LevelRendererSample.png"&gt;<a name="line.82"></a>
<span class="sourceLineNo">083</span> */<a name="line.83"></a>
<span class="sourceLineNo">084</span>public class LevelRenderer extends AbstractCategoryItemRenderer<a name="line.84"></a>
<span class="sourceLineNo">085</span>        implements Cloneable, PublicCloneable, Serializable {<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>    /** For serialization. */<a name="line.87"></a>
<span class="sourceLineNo">088</span>    private static final long serialVersionUID = -8204856624355025117L;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>    /** The default item margin percentage. */<a name="line.90"></a>
<span class="sourceLineNo">091</span>    public static final double DEFAULT_ITEM_MARGIN = 0.20;<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span>    /** The margin between items within a category. */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    private double itemMargin;<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    /** The maximum item width as a percentage of the available space. */<a name="line.96"></a>
<span class="sourceLineNo">097</span>    private double maxItemWidth;<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span>    /**<a name="line.99"></a>
<span class="sourceLineNo">100</span>     * Creates a new renderer with default settings.<a name="line.100"></a>
<span class="sourceLineNo">101</span>     */<a name="line.101"></a>
<span class="sourceLineNo">102</span>    public LevelRenderer() {<a name="line.102"></a>
<span class="sourceLineNo">103</span>        super();<a name="line.103"></a>
<span class="sourceLineNo">104</span>        this.itemMargin = DEFAULT_ITEM_MARGIN;<a name="line.104"></a>
<span class="sourceLineNo">105</span>        this.maxItemWidth = 1.0;  // 100 percent, so it will not apply unless<a name="line.105"></a>
<span class="sourceLineNo">106</span>                                  // changed<a name="line.106"></a>
<span class="sourceLineNo">107</span>        setBaseLegendShape(new Rectangle2D.Float(-5.0f, -1.0f, 10.0f, 2.0f));<a name="line.107"></a>
<span class="sourceLineNo">108</span>        // set the outline paint to fully transparent, then the legend shape<a name="line.108"></a>
<span class="sourceLineNo">109</span>        // will just have the same colour as the lines drawn by the renderer<a name="line.109"></a>
<span class="sourceLineNo">110</span>        setBaseOutlinePaint(new Color(0, 0, 0, 0));<a name="line.110"></a>
<span class="sourceLineNo">111</span>    }<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span>    /**<a name="line.113"></a>
<span class="sourceLineNo">114</span>     * Returns the item margin.<a name="line.114"></a>
<span class="sourceLineNo">115</span>     *<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * @return The margin.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @see #setItemMargin(double)<a name="line.118"></a>
<span class="sourceLineNo">119</span>     */<a name="line.119"></a>
<span class="sourceLineNo">120</span>    public double getItemMargin() {<a name="line.120"></a>
<span class="sourceLineNo">121</span>        return this.itemMargin;<a name="line.121"></a>
<span class="sourceLineNo">122</span>    }<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>    /**<a name="line.124"></a>
<span class="sourceLineNo">125</span>     * Sets the item margin and sends a {@link RendererChangeEvent} to all<a name="line.125"></a>
<span class="sourceLineNo">126</span>     * registered listeners.  The value is expressed as a percentage of the<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * available width for plotting all the bars, with the resulting amount to<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * be distributed between all the bars evenly.<a name="line.128"></a>
<span class="sourceLineNo">129</span>     *<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * @param percent  the new margin.<a name="line.130"></a>
<span class="sourceLineNo">131</span>     *<a name="line.131"></a>
<span class="sourceLineNo">132</span>     * @see #getItemMargin()<a name="line.132"></a>
<span class="sourceLineNo">133</span>     */<a name="line.133"></a>
<span class="sourceLineNo">134</span>    public void setItemMargin(double percent) {<a name="line.134"></a>
<span class="sourceLineNo">135</span>        this.itemMargin = percent;<a name="line.135"></a>
<span class="sourceLineNo">136</span>        fireChangeEvent();<a name="line.136"></a>
<span class="sourceLineNo">137</span>    }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>    /**<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * Returns the maximum width, as a percentage of the available drawing<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * space.<a name="line.141"></a>
<span class="sourceLineNo">142</span>     *<a name="line.142"></a>
<span class="sourceLineNo">143</span>     * @return The maximum width.<a name="line.143"></a>
<span class="sourceLineNo">144</span>     *<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * @see #setMaximumItemWidth(double)<a name="line.145"></a>
<span class="sourceLineNo">146</span>     */<a name="line.146"></a>
<span class="sourceLineNo">147</span>    public double getMaximumItemWidth() {<a name="line.147"></a>
<span class="sourceLineNo">148</span>        return getMaxItemWidth();<a name="line.148"></a>
<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * Sets the maximum item width, which is specified as a percentage of the<a name="line.152"></a>
<span class="sourceLineNo">153</span>     * available space for all items, and sends a {@link RendererChangeEvent}<a name="line.153"></a>
<span class="sourceLineNo">154</span>     * to all registered listeners.<a name="line.154"></a>
<span class="sourceLineNo">155</span>     *<a name="line.155"></a>
<span class="sourceLineNo">156</span>     * @param percent  the percent.<a name="line.156"></a>
<span class="sourceLineNo">157</span>     *<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * @see #getMaximumItemWidth()<a name="line.158"></a>
<span class="sourceLineNo">159</span>     */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    public void setMaximumItemWidth(double percent) {<a name="line.160"></a>
<span class="sourceLineNo">161</span>        setMaxItemWidth(percent);<a name="line.161"></a>
<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>    /**<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * Initialises the renderer and returns a state object that will be passed<a name="line.165"></a>
<span class="sourceLineNo">166</span>     * to subsequent calls to the drawItem method.<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * &lt;p&gt;<a name="line.167"></a>
<span class="sourceLineNo">168</span>     * This method gets called once at the start of the process of drawing a<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * chart.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     *<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * @param g2  the graphics device.<a name="line.171"></a>
<span class="sourceLineNo">172</span>     * @param dataArea  the area in which the data is to be plotted.<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * @param plot  the plot.<a name="line.173"></a>
<span class="sourceLineNo">174</span>     * @param rendererIndex  the renderer index.<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * @param info  collects chart rendering information for return to caller.<a name="line.175"></a>
<span class="sourceLineNo">176</span>     *<a name="line.176"></a>
<span class="sourceLineNo">177</span>     * @return The renderer state.<a name="line.177"></a>
<span class="sourceLineNo">178</span>     */<a name="line.178"></a>
<span class="sourceLineNo">179</span>    @Override<a name="line.179"></a>
<span class="sourceLineNo">180</span>    public CategoryItemRendererState initialise(Graphics2D g2,<a name="line.180"></a>
<span class="sourceLineNo">181</span>            Rectangle2D dataArea, CategoryPlot plot, int rendererIndex,<a name="line.181"></a>
<span class="sourceLineNo">182</span>            PlotRenderingInfo info) {<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>        CategoryItemRendererState state = super.initialise(g2, dataArea, plot,<a name="line.184"></a>
<span class="sourceLineNo">185</span>                rendererIndex, info);<a name="line.185"></a>
<span class="sourceLineNo">186</span>        calculateItemWidth(plot, dataArea, rendererIndex, state);<a name="line.186"></a>
<span class="sourceLineNo">187</span>        return state;<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    }<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span>    /**<a name="line.191"></a>
<span class="sourceLineNo">192</span>     * Calculates the bar width and stores it in the renderer state.<a name="line.192"></a>
<span class="sourceLineNo">193</span>     *<a name="line.193"></a>
<span class="sourceLineNo">194</span>     * @param plot  the plot.<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * @param dataArea  the data area.<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * @param rendererIndex  the renderer index.<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * @param state  the renderer state.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     */<a name="line.198"></a>
<span class="sourceLineNo">199</span>    protected void calculateItemWidth(CategoryPlot plot,<a name="line.199"></a>
<span class="sourceLineNo">200</span>            Rectangle2D dataArea, int rendererIndex,<a name="line.200"></a>
<span class="sourceLineNo">201</span>            CategoryItemRendererState state) {<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>        CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);<a name="line.203"></a>
<span class="sourceLineNo">204</span>        CategoryDataset dataset = plot.getDataset(rendererIndex);<a name="line.204"></a>
<span class="sourceLineNo">205</span>        if (dataset != null) {<a name="line.205"></a>
<span class="sourceLineNo">206</span>            int columns = dataset.getColumnCount();<a name="line.206"></a>
<span class="sourceLineNo">207</span>            int rows = state.getVisibleSeriesCount() &gt;= 0<a name="line.207"></a>
<span class="sourceLineNo">208</span>                    ? state.getVisibleSeriesCount() : dataset.getRowCount();<a name="line.208"></a>
<span class="sourceLineNo">209</span>            double space = 0.0;<a name="line.209"></a>
<span class="sourceLineNo">210</span>            PlotOrientation orientation = plot.getOrientation();<a name="line.210"></a>
<span class="sourceLineNo">211</span>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.211"></a>
<span class="sourceLineNo">212</span>                space = dataArea.getHeight();<a name="line.212"></a>
<span class="sourceLineNo">213</span>            }<a name="line.213"></a>
<span class="sourceLineNo">214</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.214"></a>
<span class="sourceLineNo">215</span>                space = dataArea.getWidth();<a name="line.215"></a>
<span class="sourceLineNo">216</span>            }<a name="line.216"></a>
<span class="sourceLineNo">217</span>            double maxWidth = space * getMaximumItemWidth();<a name="line.217"></a>
<span class="sourceLineNo">218</span>            double categoryMargin = 0.0;<a name="line.218"></a>
<span class="sourceLineNo">219</span>            double currentItemMargin = 0.0;<a name="line.219"></a>
<span class="sourceLineNo">220</span>            if (columns &gt; 1) {<a name="line.220"></a>
<span class="sourceLineNo">221</span>                categoryMargin = domainAxis.getCategoryMargin();<a name="line.221"></a>
<span class="sourceLineNo">222</span>            }<a name="line.222"></a>
<span class="sourceLineNo">223</span>            if (rows &gt; 1) {<a name="line.223"></a>
<span class="sourceLineNo">224</span>                currentItemMargin = getItemMargin();<a name="line.224"></a>
<span class="sourceLineNo">225</span>            }<a name="line.225"></a>
<span class="sourceLineNo">226</span>            double used = space * (1 - domainAxis.getLowerMargin()<a name="line.226"></a>
<span class="sourceLineNo">227</span>                                     - domainAxis.getUpperMargin()<a name="line.227"></a>
<span class="sourceLineNo">228</span>                                     - categoryMargin - currentItemMargin);<a name="line.228"></a>
<span class="sourceLineNo">229</span>            if ((rows * columns) &gt; 0) {<a name="line.229"></a>
<span class="sourceLineNo">230</span>                state.setBarWidth(Math.min(used / (rows * columns), maxWidth));<a name="line.230"></a>
<span class="sourceLineNo">231</span>            }<a name="line.231"></a>
<span class="sourceLineNo">232</span>            else {<a name="line.232"></a>
<span class="sourceLineNo">233</span>                state.setBarWidth(Math.min(used, maxWidth));<a name="line.233"></a>
<span class="sourceLineNo">234</span>            }<a name="line.234"></a>
<span class="sourceLineNo">235</span>        }<a name="line.235"></a>
<span class="sourceLineNo">236</span>    }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span>    /**<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * Calculates the coordinate of the first "side" of a bar.  This will be<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * the minimum x-coordinate for a vertical bar, and the minimum<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * y-coordinate for a horizontal bar.<a name="line.241"></a>
<span class="sourceLineNo">242</span>     *<a name="line.242"></a>
<span class="sourceLineNo">243</span>     * @param plot  the plot.<a name="line.243"></a>
<span class="sourceLineNo">244</span>     * @param orientation  the plot orientation.<a name="line.244"></a>
<span class="sourceLineNo">245</span>     * @param dataArea  the data area.<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * @param domainAxis  the domain axis.<a name="line.246"></a>
<span class="sourceLineNo">247</span>     * @param state  the renderer state (has the bar width precalculated).<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * @param row  the row index.<a name="line.248"></a>
<span class="sourceLineNo">249</span>     * @param column  the column index.<a name="line.249"></a>
<span class="sourceLineNo">250</span>     *<a name="line.250"></a>
<span class="sourceLineNo">251</span>     * @return The coordinate.<a name="line.251"></a>
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<span class="sourceLineNo">253</span>    protected double calculateBarW0(CategoryPlot plot, <a name="line.253"></a>
<span class="sourceLineNo">254</span>            PlotOrientation orientation, Rectangle2D dataArea,<a name="line.254"></a>
<span class="sourceLineNo">255</span>            CategoryAxis domainAxis, CategoryItemRendererState state, int row,<a name="line.255"></a>
<span class="sourceLineNo">256</span>            int column) {<a name="line.256"></a>
<span class="sourceLineNo">257</span>        // calculate bar width...<a name="line.257"></a>
<span class="sourceLineNo">258</span>        double space;<a name="line.258"></a>
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<span class="sourceLineNo">263</span>            space = dataArea.getWidth();<a name="line.263"></a>
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<span class="sourceLineNo">265</span>        double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),<a name="line.265"></a>
<span class="sourceLineNo">266</span>                dataArea, plot.getDomainAxisEdge());<a name="line.266"></a>
<span class="sourceLineNo">267</span>        int seriesCount = state.getVisibleSeriesCount();<a name="line.267"></a>
<span class="sourceLineNo">268</span>        if (seriesCount &lt; 0) {<a name="line.268"></a>
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<span class="sourceLineNo">282</span>                    dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()<a name="line.282"></a>
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<span class="sourceLineNo">299</span>     * @param column  the column index (zero-based).<a name="line.299"></a>
<span class="sourceLineNo">300</span>     * @param pass  the pass index.<a name="line.300"></a>
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<span class="sourceLineNo">303</span>    public void drawItem(Graphics2D g2, CategoryItemRendererState state,<a name="line.303"></a>
<span class="sourceLineNo">304</span>            Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis,<a name="line.304"></a>
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<span class="sourceLineNo">306</span>            int pass) {<a name="line.306"></a>
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<span class="sourceLineNo">309</span>        // the indices of the visible rows...<a name="line.309"></a>
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<span class="sourceLineNo">314</span><a name="line.314"></a>
<span class="sourceLineNo">315</span>        // nothing is drawn for null values...<a name="line.315"></a>
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<span class="sourceLineNo">320</span><a name="line.320"></a>
<span class="sourceLineNo">321</span>        double value = dataValue.doubleValue();<a name="line.321"></a>
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<span class="sourceLineNo">328</span><a name="line.328"></a>
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<span class="sourceLineNo">331</span>        double x, y;<a name="line.331"></a>
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<span class="sourceLineNo">336</span>                    barW0 + state.getBarWidth());<a name="line.336"></a>
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<span class="sourceLineNo">347</span>        g2.setPaint(itemPaint);<a name="line.347"></a>
<span class="sourceLineNo">348</span>        g2.draw(line);<a name="line.348"></a>
<span class="sourceLineNo">349</span><a name="line.349"></a>
<span class="sourceLineNo">350</span>        CategoryItemLabelGenerator generator = getItemLabelGenerator(row,<a name="line.350"></a>
<span class="sourceLineNo">351</span>                column);<a name="line.351"></a>
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<span class="sourceLineNo">354</span>                    (value &lt; 0.0));<a name="line.354"></a>
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<span class="sourceLineNo">356</span><a name="line.356"></a>
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<span class="sourceLineNo">358</span>        int datasetIndex = plot.indexOf(dataset);<a name="line.358"></a>
<span class="sourceLineNo">359</span>        updateCrosshairValues(state.getCrosshairState(),<a name="line.359"></a>
<span class="sourceLineNo">360</span>                dataset.getRowKey(row), dataset.getColumnKey(column), value,<a name="line.360"></a>
<span class="sourceLineNo">361</span>                datasetIndex, barW0, barL, orientation);<a name="line.361"></a>
<span class="sourceLineNo">362</span><a name="line.362"></a>
<span class="sourceLineNo">363</span>        // collect entity and tool tip information...<a name="line.363"></a>
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<span class="sourceLineNo">368</span><a name="line.368"></a>
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<span class="sourceLineNo">372</span>     * Calculates the available space for each series.<a name="line.372"></a>
<span class="sourceLineNo">373</span>     *<a name="line.373"></a>
<span class="sourceLineNo">374</span>     * @param space  the space along the entire axis (in Java2D units).<a name="line.374"></a>
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<span class="sourceLineNo">376</span>     * @param categories  the number of categories.<a name="line.376"></a>
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<span class="sourceLineNo">378</span>     *<a name="line.378"></a>
<span class="sourceLineNo">379</span>     * @return The width of one series.<a name="line.379"></a>
<span class="sourceLineNo">380</span>     */<a name="line.380"></a>
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<span class="sourceLineNo">385</span>        if (categories &gt; 1) {<a name="line.385"></a>
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<span class="sourceLineNo">393</span>     *<a name="line.393"></a>
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<span class="sourceLineNo">400</span>     *<a name="line.400"></a>
<span class="sourceLineNo">401</span>     * @return The Java2D coordinate.<a name="line.401"></a>
<span class="sourceLineNo">402</span>     *<a name="line.402"></a>
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<span class="sourceLineNo">414</span>     * Tests an object for equality with this instance.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     *<a name="line.415"></a>
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<span class="sourceLineNo">418</span>     * @return A boolean.<a name="line.418"></a>
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<span class="sourceLineNo">440</span>     *<a name="line.440"></a>
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<span class="sourceLineNo">456</span>     *<a name="line.456"></a>
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<span class="sourceLineNo">477</span>}<a name="line.477"></a>




























































</pre>
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